Add jest-worker to dependencies

Author: TrySound

package.json

@@ -24,6 +24,7 @@
  "license": "MIT",
  "dependencies": {
  "@babel/code-frame": "^7.0.0",
+ "jest-worker": "^23.2.0",
  "uglify-js": "^3.4.8"
  },
  "peerDependencies": {